CHECK POWER SUPPLY.

1) Disconnect the keyless entry control module harness connector.

2) Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

(R80) No. 4 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check the harness for open circuits or shorts between the keyless entry control module and fuse.